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Add 54/90 and 70/84

54/90 + 70/84 is 43/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 84 is 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    54/90 = 54 × 14/90 × 14 = 756/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    70/84 = 70 × 15/84 × 15 = 1050/1260
  4. Add the two fractions:
    756/1260 + 1050/1260 = 756 + 1050/1260 = 1806/1260
  5. After reducing the fraction, the answer is 43/30
  6. In mixed form: 113/30

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